Secretory Vesicles Targeted to Plasma Membrane During Pollen Germination and Tube Growth.
Secretory Vesicles Targeted to Plasma Membrane During Pollen Germination and Tube Growth.
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花粉萌发和管生长过程中针对质膜的分泌囊泡
DOI：
10.3389/fcell.2020.615447
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发表时间：
2020
影响因子：
5.5
通讯作者：
Ren H
中科院分区：
文献类型：
--
作者：
Ruan H;Li J;Wang T;Ren H
花粉萌发和花粉管生长是高等植物有性生殖过程中的重要生物学事件，其间发生了大量的囊泡运输和膜融合事件。当分泌囊泡通过F-actin网络运输到花粉管顶端附近时，分泌囊泡分别通过拴系因子和SNARE蛋白拴系并融合到质膜上。囊泡膜和质膜之间的偶联和解偶联也受到动态细胞骨架、蛋白质和信号分子（包括小G蛋白、钙和PIP 2）的调节。本文综述了花粉萌发和花粉管生长过程中分泌囊泡的传递、束缚和融合等过程，并对调控因子和信号分子参与上述过程的研究进展进行了综述。
Pollen germination and pollen tube growth are important biological events in the sexual reproduction of higher plants, during which a large number of vesicle trafficking and membrane fusion events occur. When secretory vesicles are transported via the F-actin network in proximity to the apex of the pollen tube, the secretory vesicles are tethered and fused to the plasma membrane by tethering factors and SNARE proteins, respectively. The coupling and uncoupling between the vesicle membrane and plasma membrane are also regulated by dynamic cytoskeleton, proteins, and signaling molecules, including small G proteins, calcium, and PIP2. In this review, we focus on the current knowledge regarding secretory vesicle delivery, tethering, and fusion during pollen germination and tube growth and summarize the progress in research on how regulators and signaling molecules participate in the above processes.
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影响因子：
16.8
作者：
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